Circle the mistake (a or b), then correct it.
1 andy was walking down the street when he was
(в)
meeting sue.
met
2 anna was dusting the furniture when her mother
was cooking dinner.
3 ben was having breakfast when the door beli was
anging.
4 yesterday, paul was leaving school and went
b
straight home.
5 at 3 pm yesterday afternoon, terry was cutting
the grass while shelly cleaned the house.​

1. Andy was walking down the street when he met Sue.

2. Anna was dusting the furniture while her mother was cooking dinner.

3. Ben was having breakfast when the door bell rang.

4. Yesterday, Paul left school and went straight home.

5. At 3 p.m. yesterday afternoo, Terry was cutting the grass wile Shelly was cleaning the house.

6. While Katie was playing tennis, her brother was studying.